US Army Corps of Engineers

McNary Dam

Saturday May 9, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 215.10 53.10157.30 338.34 267.13 71.21
2 214.50 52.70157.20 338.34 267.15 71.19
3 215.40 53.50157.20 338.37 267.19 71.18
4 215.00 53.20157.10 338.32 267.22 71.10
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
AVG 215.00 53.12157.20 338.34 267.17 71.17
MAX 215.40 53.50157.30 338.37 267.22 71.21
MIN 214.50 52.70157.10 338.32 267.13 71.10